Open Source Android Apps - Page 81
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feathersui-starling
User interface components for Starling Framework, ActionScript 3
Feathers UI (Starling edition) is a lightweight, open-source library of user interface components designed specifically for use with the Starling Framework. It allows ActionScript developers to build GPU-accelerated interfaces for games and applications that run on desktop and mobile platforms. With a focus on performance and flexibility, Feathers UI includes buttons, sliders, lists, navigators, and layout containers optimized for Starling's rendering pipeline. -
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flutter_dmzj
Anime House third-party Flutter client
flutter_dmzj is an open-source third-party client for the DMZJ comics and novel service built with Flutter. It provides a unified interface for browsing digital comics, novels, news, and user-related content. Dedicated comic modules cover home discovery, categories, authors, detailed information, search, chapter selection, and reading. Novel support similarly includes browsing, categories, search, details, chapter navigation, and a dedicated reader. The project targets Android and iOS, with Windows, macOS, and Linux versions provided as beta platforms. Its cross-platform architecture allows much of the same reading experience and application logic to be shared across mobile and desktop systems. -
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flutter_swiper
The best swiper for flutter, with multiple layouts, infinite loop
flutter_swiper is a popular Flutter widget for creating carousels, sliders, and swiping interfaces. It supports a wide range of configurations including autoplay, custom pagination indicators, looping, and horizontal or vertical scrolling. The widget is designed for image sliders, onboarding screens, and product showcases, making it a common choice for e-commerce or presentation apps. Developers can extend it with custom builders to create unique effects such as stacked or 3D-like swipes. Its API is simple, allowing developers to integrate swipers with just a few lines of code while maintaining flexibility for advanced customizations. As one of the earlier Flutter swiper libraries, it became widely used for its reliability and ease of integration. -
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fritz2
Easily build reactive web-apps in Kotlin based on flows and coroutines
fritz2 is a lightweight, typesafe, data-driven library for building reactive web apps in pure Kotlin, heavily depending on coroutines and flows. fritz2 makes heavy use of Kotlin standard features (especially flows) and has no external dependencies. Based upon Kotlin's outstanding capabilities to build DSLs, fritz2 offers a nice declarative and typesafe syntax to structure your UI code in a comfortable and easy-to-read way. fritz2 offers precise data binding for your UI-elements. This means that when parts of your data model change, exactly those and only those DOM-nodes depending on the changed parts will automatically change as well - no virtual dom needed. -
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funKTionale
Functional constructs for Kotlin
Functional constructs and patterns for Kotlin. Development of this project is frozen, as it will eventually be made obsolete by Arrow, which merges the functionality of funKTionale and Kategory. If you are not yet using funKTionale, we recommend you start with Arrow instead. -
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goim
goim is a im server writen by golang
GOIM is a IM and push notification server cluster. Supports single push, multiple push and broadcasting. Supports one key to multiple subscribers (Configurable maximum subscribers count). Supports heartbeats (Application heartbeats, TCP, KeepAlive, HTTP long pulling). Supports authentication (Unauthenticated user can’t subscribe). Scalable architecture (Unlimited dynamic job and logic modules). You can view the comments in target/comet.toml,logic.toml,job.toml to understand the meaning of the config. Install comet/logic/job modules and use Supervisor management (You might need to change the configuration files based on your servers). -
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ion
Android Asynchronous Networking and Image Loading
Ion is an Android library for asynchronous networking and image loading. It gives developers a fluent API for downloading images, JSON, strings, files, and Java objects with less boilerplate. The library supports image loading into ImageViews or Bitmaps, including animated GIFs, caching, transformations, placeholder images, and large image handling. It can also post JSON, form data, and multipart files while providing callbacks, progress updates, and cancellation support. Ion automatically manages common Android concerns such as UI thread callbacks and canceling operations when an Activity finishes. It is a practical choice for Android apps that need simple networking and image handling built on top of AndroidAsync. -
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macroquad
Cross-platform game engine in Rust
macroquad is a lightweight, easy-to-use game library for the Rust programming language, offering developers a relatively simple and streamlined path to build games across platforms. The library is heavily inspired by simpler game frameworks (like raylib), but brings the ergonomic and safety features of Rust to 2D — and some minimal 3D — development. With Macroquad, you don’t need to worry about low-level graphics plumbing: it handles window and input management, rendering, UI, and more, letting you focus on game logic. A strength of Macroquad is its cross-platform reach: it supports desktop (Windows, Linux, macOS), web (via WebAssembly / HTML5), and mobile (Android, iOS) without requiring platform-specific code. Compilation is relatively fast with minimal dependencies, so small projects or prototypes can spin up quickly. Because it’s “batteries included” for common tasks (rendering, drawing shapes, text, basic UI, game loop), Macroquad works well for rapid prototyping. -
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material-intro
A simple material design app intro with cool animations
A simple material design app intro with cool animations and a fluent API. material-intro has fluent style builders for both a simple text/image slide, as seen in Google's apps, and for slides featuring a custom Fragment or layout resource. -
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materialshell
A material design theme for your terminal
Materialshell brings the material design to your terminal, with a beautiful color scheme that will improve your command line experience. There are two different versions: Dark and Oceanic, both can be used on OS X, Windows and Linux. You can find a preview of the themes below. -
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moko resources
Resources access for mobile (android & ios) Kotlin Multiplatform
This is a Kotlin MultiPlatform library (and Gradle plugin) that provides access to the resources on macOS, iOS, Android the JVM, and JS/Browser with the support of the default system localization. Also, MOKO resources support Compose Multiplatform so you can implement all your UI in Kotlin with Jetpack Compose and MOKO resources. -
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okhttp-utils
okhttp's helper class
okhttp-utils is a utility wrapper around the popular OkHttp networking library in Android that simplifies HTTP request creation, execution, and response handling for developers building mobile applications. Instead of writing verbose setup and callback code for each request, OkHttpUtils provides fluent builder patterns to configure GET, POST, file upload, download, and form requests in a more readable and concise way. It includes built-in callbacks for parsing JSON into objects, handling errors, updating UI threads, and reporting progress for file operations, reducing boilerplate and improving developer productivity. OkHttpUtils also supports request tagging and cancellation, enabling clean lifecycle management especially in activities or fragments where you want to avoid leaks. With extensibility hooks for custom interceptors, headers, and timeout settings, it gives Android apps flexibility while retaining the efficiency and performance of the underlying OkHttp client. -
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python-aria-mirror-bot
A telegram bot for all your mirror needs | OG Repo
This is a telegram bot written in Python for mirroring files on the internet to our beloved Google Drive. -
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react-native-app-intro
React native component implementing a parallax effect welcome page
react-native-app-intro is a react native component implementing a parallax effect welcome page using base on react-native-swiper, similar to the one found in Google's app like Sheet, Drive, and Docs. You can use pageArray quick generation your app intro with parallax effect. With the basic usage, the Android status bar will be updated to match your slide background color. If you need customized page like my Example, you can pass in View component into AppIntro component and set level. -
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react-native-audio-recorder-player
react-native native module for audio recorder and player
This is a react-native link module for the audio recorder and player. This is not a playlist audio module and this library provides simple recorder and player functionalities for both android and ios platforms. This only supports the default file extension for each platform. This module can also handle files from URLs. -
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react-native-document-picker
Document Picker for React Native using Document Providers
Document Picker for React Native using Document Providers. If the user cancels the document picker without choosing a file (by pressing the system back button on Android or the Cancel button on iOS), the Promise will be rejected with a cancellation error. You can check for this error using DocumentPicker.isCancel(err) allowing you to ignore it and cleanup any parts of your interface that may not be needed anymore. If the user somehow manages to open multiple file pickers (e.g. due the app being unresponsive), then only the picked result from the last opened picker will be considered and the promises from previous opened pickers will be rejected with an error that you can check using DocumentPicker.isInProgress(). If mode is set to open, iOS is giving you secure access to a file located outside from your sandbox. In that case Apple is asking you to release the access as soon as you finish using the resource. -
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react-native-nfc-manager
React Native NFC module for Android & iOS
Bring NFC feature to React Native. Inspired by phonegap-nfc and react-native-ble-manager. React Native NFC module for Android & iOS. -
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react-native-safe-area-context
A flexible way to handle safe area insets in JS. Also works on Android
A flexible way to handle safe areas, also works on Android and the Web! This library currently has experimental support for the new react-native architecture. Note that there will be breaking changes and only the latest version of react-native will be supported. This library has 2 important concepts, if you are familiar with React Context this is very similar. The SafeAreaProvider component is a View from where insets provided by Consumers are relative to. This means that if this view overlaps with any system elements (status bar, notches, etc.) these values will be provided to descendent consumers. Usually, you will have one provider at the top of your app. Consumers are components and hooks that allow using inset values provided by the nearest parent Provider. Values are always relative to a provider and not to these components. -
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react-native-scrollable-tab-view
Tabbed navigation that you can swipe between
One of the best navigation patterns on Android. This is a very simple JavaScript-only implementation of it for React Native. Animations are very important to create a great user experience. Stationary objects must overcome inertia as they start moving. Objects in motion have momentum and rarely come to a stop immediately. Animations allow you to convey physically believable motion in your interface. The Animated API is designed to concisely express a wide variety of interesting animation and interaction patterns in a very performant way. Animated focuses on declarative relationships between inputs and outputs, with configurable transforms in between, and start/stop methods to control time-based animation execution. -
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shuyuan
Reading book source
shuyuan is a project oriented around reading and knowledge consumption, especially targeting large-scale text content such as books, articles, or educational material. The name suggests “academy” or “study hall,” and the tool aims to help users ingest, organize, and manage reading content — possibly offering features like text parsing, annotation, metadata generation, translation, or storage for later reference. The repository is set up to support document ingestion, indexing, and maybe some AI-aided summarization or lookup functions, which helps users convert large text corpora into a structured, searchable knowledge base. For learners, researchers, or avid readers, Shuyuan offers a way to bridge from plain text files or eBooks into a manageable, interactive resource — one where notes, references, and reading progress can be tracked. It likely supports different input formats (text, HTML, PDF), and may integrate optional translation or text normalization tools. -
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sonar-detekt
SonarQube plugin for Kotlin
SonarQube plugin for Kotlin. detekt helps you write cleaner Kotlin code so you can focus on what matters the most building amazing software. detekt comes with a set of plugins that helps you configure it easily in your Gradle, Maven, Bazel build. Enjoy static analysis on Android, JVM, JS, Native, and Multiplatform projects out of the box. detekt can be easily extended with custom rules that help you track and fix anti-patterns in your codebase. detekt is entirely open-source and developed by the community. Join us on GitHub and help us shape the future of this tool. -
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vlayout
LayoutManager extension for RecyclerView
vlayout customizes a VirtualLayoutManager, which inherits from LinearLayoutManager and introduces LayoutHelper Virtual layout manager manages a series of layouthelpers, and gives the specific layout ability to LayoutHelper. Each LayoutHelper provides a layout method. The framework provides several common layout types, including grid layout, linear layout, waterfall flow layout, suspended layout, suction side layout, etc. In this way, the ability of mixed layout is realized, and the extension of external is supported, new LayoutHelper is registered, and special layout mode is realized. By providing a custom LayoutManager to RecyclerView, VirtualLayout is able to layout child views with different style at single view elegantly. The custom LayoutManager manages a serial of layoutHelpers where each one implements the specific layout logic for a certain position range items. By the way, implementing your custom layoutHelper and provding it to the framework is also supported. -
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CherishOS-Avicii
OnePlus Nord (Avicii) Builds of Cherish OS
This is an official repository for OnePlus Nord (Avicii) to host Cherish OS builds. CherishOS 5.x is based on AOSP, inspired by Google Pixel Has a Pixel UI noodles by Hung Phan. So many features that you probably won't find in any ROM. All you can dream of and all you'll ever need. Just flash and enjoy... -
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New-ZenGL
Cross-platform 2D game engine (+ full OpenGL, +full OpenGL ES )
